[r-t] Triples puzzles

Alexander E Holroyd holroyd at math.ubc.ca
Tue Jul 14 17:59:34 BST 2020


1. Find an extent using only the three place notations 3,5,147.
2. Find a good one.
3. Find an extent using only the three place notations 1,7,345.
4. Find a good one.



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